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Joined 10-15-14, id: 6208887
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Halo: The Ori War by DX1998 reviews
7 Months Ago...the USS Odyssey vanished without a trace. Seven long months, that saw the Ori march almost unopposed through the Milky Way Galaxy. With none able to stand against them, the armies of Origin were triumphant in all battles. But now...now the Odyssey has returned, and with the aid of the UNSC and Sangheili, they will bring the fight to the Ori.
Crossover - Stargate: SG-1 & Halo - Rated: T - English - Adventure/Drama - Chapters: 15 - Words: 60,674 - Reviews: 519 - Favs: 865 - Follows: 1,096 - Updated: 8/7 - Published: 10/7/2014
To Infinity by creamofwheat2311 reviews
After discovering an ancient artifact, the UNSC's most advanced warship and a Sangheili Assault Carrier are transported to a universe unlike anything they have ever seen, and forced into a war against a foe they never could have imagined.
Crossover - Halo & Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 46 - Words: 390,407 - Reviews: 3556 - Favs: 4,079 - Follows: 4,898 - Updated: 7/25 - Published: 10/9/2013 - Master Chief/John-117, Arbiter, T. Lasky, Shepard (M)
This Isn't Kansas by andrewjameswilliams reviews
Returning from Orilla the Odyssey engages in a fierce battle with the Ori the outcome of which catapults the ship and her crew into a different universe full of dangers beyond anything encountered by the SGC before.
Crossover - Stargate: SG-1 & Robotech/Macross - Rated: T - English - Sci-Fi/Adventure - Chapters: 16 - Words: 86,714 - Reviews: 264 - Favs: 476 - Follows: 543 - Updated: 6/12 - Published: 4/5/2014 - D. Jackson, C. Mitchell, Gloval, Karl/River
Mass Effect: The New Journey by Arashi the Solar Phoenix reviews
During a Joint Deployment, the UNSC Infinity and Her Sangheili allies are suddenly thrown into a new Galaxy, and end up near Charon before the Systems Alliance discovers the Charon Relay. Alliances are forged and how will the galaxy react to an aggressive humanity that not only doesn't use Mass Effect technology, but will not let anyone stand in their way of expansion? AU PreME1
Crossover - Halo & Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 20 - Words: 190,674 - Reviews: 1330 - Favs: 2,209 - Follows: 2,705 - Updated: 6/11 - Published: 1/26/2014
Halo: A Different Fight by Cortana0452 reviews
This will be my own take on what might happen if Halo and Stargate had a crossover. This will be Diverging from the main Halo Universe, I have great Plans thanks to Cortana (My favourite ever Character) and The Created.
Crossover - Stargate: SG-1 & Halo - Rated: M - English - Chapters: 9 - Words: 25,194 - Reviews: 59 - Favs: 121 - Follows: 159 - Updated: 6/2 - Published: 7/6/2013
Apostle's Message Redux by Lone-ranger1 reviews
When the Reapers see the threat Shepard poses, they enact a backup plan millions of years old. A single Reaper will unleash his fury and two galaxies will never be the same. (New Chapter 13/12/16)
Crossover - Stargate: SG-1 & Mass Effect - Rated: T - English - Adventure/Sci-Fi - Chapters: 38 - Words: 435,721 - Reviews: 367 - Favs: 380 - Follows: 487 - Updated: 5/29 - Published: 8/18/2011 - S. Carter, Shepard (M)
Worldwar: Establishing A Balance by AlbertG reviews
Summary-Book IV: Years ago, the Colonials of Cyrannus met the so-called 13th tribe. It didn't work out well. The Colonials met the Race. That didn't work out well either, but they were introduced to a much larger galaxy. Now their errors have come back and they know they are small fish in a large ocean trying to survive. Can they? Will the Race let them?
Crossover - Stargate: SG-1 & Battlestar Galactica: 2003 - Rated: T - English - Sci-Fi/Adventure - Chapters: 26 - Words: 174,661 - Reviews: 749 - Favs: 471 - Follows: 585 - Updated: 5/25 - Published: 3/6/2016
The Sea-Dragon by fireman23 reviews
What if Danaerys Targaryen had not been forced to marry Khal Drogo, but another potential ally? A powerful warrior who can provide a large army to help them reclaim the Iron Throne...
Crossover - Game of Thrones & Vikings - Rated: M - English - Adventure/Romance - Chapters: 30 - Words: 42,968 - Reviews: 149 - Favs: 291 - Follows: 332 - Updated: 4/28 - Published: 7/27/2016 - [Daenerys T., Bjorn]
Rebirth of the UNSC by ultimate Deathsaurer 2 reviews
Reach has Fallen and the Pillar of Autumn has set a course to earth but not the earth they remember. Adopted from Original Owner: Samsara Sage
Crossover - Stargate: SG-1 & Halo - Rated: T - English - Sci-Fi/Adventure - Chapters: 15 - Words: 65,974 - Reviews: 173 - Favs: 397 - Follows: 484 - Updated: 3/31 - Published: 10/12/2014
The Return by fmfan1980 reviews
This is an alternate future AU to my 'An Extraordinary Journey' story. Atlantis detects an attacking force of unknown vessels heading for Earth, and a ship is sent from Pegasus to help in the planet's defence. Is this just a one off encounter to protect the ancestral home of Humanity, or the prelude to an unexpected return of old enemies? (BSG 2003 and BtVS included)
Crossover - StarTrek: Other & Stargate: SG-1 - Rated: K+ - English - Chapters: 27 - Words: 164,201 - Reviews: 189 - Favs: 196 - Follows: 239 - Updated: 3/4 - Published: 10/6/2016
An Extraordinary Journey by fmfan1980 reviews
Formerly titled "An Extraordinary Meeting", Willow from Sunnydale arrives at the SGC under extraordinary circumstances and goes on amazing adventures with the gang from the SGC. BSG:2003 also included in later chapters. (26.08.2018: Slight edits on Chap 111, 116, and 125.)
Crossover - Buffy: The Vampire Slayer & Stargate: SG-1 - Rated: T - English - Sci-Fi/Drama - Chapters: 225 - Words: 1,527,218 - Reviews: 993 - Favs: 413 - Follows: 486 - Updated: 3/4 - Published: 1/26/2014 - [Faith L., Willow R.]
SG13 The Cylon War by ShadowXV reviews
What happens when Earth is informed about a group of unknown humans by the Asgard and Earth with some help sneaks in an SG team. I got a new beta we are currently going through all chapters.
Crossover - Stargate: SG-1 & Battlestar Galactica: 2003 - Rated: K+ - English - Chapters: 13 - Words: 126,291 - Reviews: 283 - Favs: 373 - Follows: 549 - Updated: 2/28 - Published: 5/23/2015
Clash of Earls by fireman23 reviews
After the purple wedding, littlefinger brings Sansa to a secluded place where she will be safe from the Lannister's revenge. But is this the only danger for her?
Crossover - Game of Thrones & Vikings - Rated: M - English - Adventure/Family - Chapters: 75 - Words: 205,430 - Reviews: 222 - Favs: 149 - Follows: 163 - Updated: 10/14/2018 - Published: 2/28/2016 - Sansa S., Ragnar, Bjorn
Federation the 13th by The Lone Dark Jedi reviews
The USS Enterprise detects the Refugee fleet of the 12 Colonies of Kobol while traveling to the automated repair station after being struck with a mine. Soon after, the Colonials are integrated into Earth while trying to keep the Jump Drive a secret from the rest of the galaxy. Its tactical advantage over the warp drive could have disastrous consequences on the galaxy.
Crossover - StarTrek: Enterprise & Battlestar Galactica: 2003 - Rated: K - English - Sci-Fi - Chapters: 6 - Words: 23,574 - Reviews: 69 - Favs: 191 - Follows: 233 - Updated: 10/5/2018 - Published: 3/28/2016 - J. Archer, Admiral Forrest, W. Adama, H. Cain - Complete
Gears of War: Solis Primus by Azores reviews
400 years after the end of the now infamous Locust War, the people of Sera have rebuilt their shattered civilization and expanded onto the stars. But when a strange device is discovered at the edge of their system, the fate of the Seran people will be changed forever. Especially when they learn they might not be the only humans in the galaxy. 3 way crossover AU. (On Temp. Haitus)
Crossover - Gears of War & Mass Effect - Rated: M - English - Sci-Fi - Chapters: 7 - Words: 28,312 - Reviews: 77 - Favs: 220 - Follows: 280 - Updated: 7/11/2018 - Published: 9/5/2015 - OC, D. Anderson, Admiral Hackett
Hour of the Wolf by Mountain King reviews
The Battle of Wolf 359, the Federation Fleet faces the monstrous Borg Cube in a desperate attempt to defend sector 001. All seems lost when an ancient warship, the last defender of a dying people, offers it's aid. Changing the destiny of the Alpha Quadrant forever.
Crossover - StarTrek: The Next Generation & Battlestar Galactica - Rated: T - English - Sci-Fi/Drama - Chapters: 44 - Words: 149,611 - Reviews: 539 - Favs: 273 - Follows: 369 - Updated: 6/28/2018 - Published: 6/4/2014
Assuming the Mantle by LoneWolf1968 reviews
Sequel to Desperate Decisions. Adding in BSG 2003 with a bit of a twist to who the Lords of Kobol might be.
Crossover - Stargate: SG-1 & Battlestar Galactica: 2003 - Rated: T - English - Sci-Fi - Chapters: 3 - Words: 31,340 - Reviews: 52 - Favs: 120 - Follows: 152 - Updated: 6/9/2018 - Published: 10/16/2015
The Expedition by arcedup reviews
A joint Manticorian and Havenite taskforce heads through a wormhole into unknown territory. The closest inhabited system? Alderaan, where their arrival causes some consternation for the locals... Time period after HH13 (A Rising Storm) and in the middle of A New Hope. Un-beta'd.
Crossover - Star Wars & Honor Harrington - Rated: T - English - Drama/Sci-Fi - Chapters: 21 - Words: 73,455 - Reviews: 48 - Favs: 117 - Follows: 191 - Updated: 4/10/2018 - Published: 12/24/2015 - Han S., Bail O.
A Brutal Reality by BIG Z1776 reviews
NOW BEING REWRITTEN. The Colonials have just started taking their first steps into a much larger galaxy where danger, friends, and the unknown lie around every corner. And Earth has now taken the next huge step into the galaxy and its rise to superpower is all but inevitable. So what's to stop them? Old enemies from the past thought to be gone and new ones not yet seen.
Crossover - Stargate: SG-1 & Battlestar Galactica: 2003 - Rated: T - English - Adventure/Sci-Fi - Chapters: 30 - Words: 180,495 - Reviews: 489 - Favs: 523 - Follows: 685 - Updated: 4/2/2018 - Published: 2/15/2015
Worlds Apart by kaleb-yamato reviews
The Colonials discover they are not alone in the universe just in time for it to start falling apart around them. Can 12 isolated planets separated from the rest of the universe for thousands of years survive long enough to establish themselves or will they be swept away with the coming tide. DISCONTINUED UP FOR ADOPTION
Crossover - Stargate: SG-1 & Battlestar Galactica: 2003 - Rated: T - English - Sci-Fi/Suspense - Chapters: 8 - Words: 58,212 - Reviews: 195 - Favs: 339 - Follows: 458 - Updated: 3/4/2018 - Published: 4/3/2014
Battlestar Galactica: The Guiding Fire by GunnyStacker reviews
199 days after the Cylon attack on the 12 Colonies, a chance encounter brings the Colonial Fleet in contact with the UNSC Spirit of Fire after the events of the Forerunner Shield World. Can they work together to reach UNSC space before the Cylons wipe them all out and manage to overcome the odds without killing each other first?
Crossover - Halo & Battlestar Galactica: 2003 - Rated: T - English - Sci-Fi/Drama - Chapters: 13 - Words: 157,922 - Reviews: 529 - Favs: 822 - Follows: 1,090 - Updated: 2/2/2018 - Published: 11/13/2016 - J. Cutter, Serina, W. Adama, K. Thrace/Starbuck
Day of the Falcon by nomuse reviews
Controversial adventurer-archaeologist Lara Croft crosses paths with the top-secret Stargate project. Their quarry; an ancient parasite who has been playing god with Earth's history - and has designs on its future.
Crossover - Stargate: SG-1 & Tomb Raider - Rated: T - English - Adventure - Chapters: 28 - Words: 161,828 - Reviews: 73 - Favs: 154 - Follows: 254 - Updated: 1/29/2018 - Published: 7/8/2014 - S. Carter, D. Jackson, Lara Croft
Exodus Into Fire by keita52 reviews
When the Battlestar Galactica, guided by Starbuck, makes the jump towards Earth, they find a planet encircled by giant black ships and a woman calling herself Commander Shepard telling them to leave before the Reapers attack them. With Earth not the safe haven they'd hoped for, the Colonial Fleet and their Cylon allies struggle to make a place for themselves in this new universe.
Crossover - Battlestar Galactica: 2003 & Mass Effect - Rated: M - English - Sci-Fi/Drama - Chapters: 15 - Words: 62,072 - Reviews: 95 - Favs: 233 - Follows: 366 - Updated: 1/29/2018 - Published: 11/12/2014 - K. Thrace/Starbuck, Shepard (F), Ashley W.
Battlestar HYPERION VOL 5: Survival Instincts by Jim Quigley reviews
Now on the move, Battlestar HYPERION and her fleet continue their search for survivors.
Battlestar Galactica: 2003 - Rated: K+ - English - Sci-Fi - Chapters: 10 - Words: 28,305 - Reviews: 78 - Favs: 57 - Follows: 57 - Updated: 12/17/2017 - Published: 1/22/2010
Contact at Kobol by wilkins75 reviews
The scrolls tell that 13 tribes left the birthplace of humanity on Kobol, 12 went one way and the other Earth went another only to lose all contact with their cousins. It is written that one day they would reunite but when they Earth meets their cousins it is not what they expected and it would cost both sides in blood. (Stargate SG1/Battlestar Galactica)
Crossover - Stargate: SG-1 & Battlestar Galactica: 2003 - Rated: T - English - Adventure - Chapters: 80 - Words: 478,758 - Reviews: 5227 - Favs: 1,360 - Follows: 1,348 - Updated: 5/25/2017 - Published: 3/20/2015 - Complete
HaloEffect: Rise of The Republic by Fernix13 reviews
When Great War ended, humanity and covenant merged. New formed Republic of Orion Arm is trying to create a war-free civilization, but what will happen when this empire will meet another galactic goverment? Rated T for blood, death etc. Multiverse crossover (Cancelled)
Crossover - Halo & Mass Effect - Rated: T - English - Sci-Fi - Chapters: 9 - Words: 18,198 - Reviews: 88 - Favs: 328 - Follows: 385 - Updated: 5/14/2017 - Published: 8/24/2015
Midnight Blue by Amelia E. Adler reviews
Alice has joined the Air Force because she wanted to follow into her father's footsteps. She did not expect to wind up as a space fighter pilot aboard a battlecruiser, traveling all over the galaxy. Special in many ways, she now has to overcome her own insecurities if she wants to keep pace with the demands of the job... OC story with no AU (should fit in with the canon).
Stargate: SG-1 - Rated: T - English - Sci-Fi - Chapters: 26 - Words: 164,947 - Reviews: 97 - Favs: 76 - Follows: 99 - Updated: 5/7/2017 - Published: 7/22/2015 - Complete
Johnson Case by AivriZaive reviews
NCIS team is at the crime scene, investigating another body, when somebody comes to steal it.
Crossover - Stargate: SG-1 & NCIS - Rated: K+ - English - Angst/Crime - Chapters: 6 - Words: 6,959 - Reviews: 44 - Favs: 42 - Follows: 114 - Updated: 3/28/2017 - Published: 4/13/2015 - S. Carter, J. O'Neill, Leroy Jethro Gibbs, Ziva D.
The Terran Intervention by AmeliusTheAlteran reviews
It has been said that something as small as the flutter of a butterfly's wing can ultimately cause a typhoon halfway around the world. Now image what four massive EMPs could do in the midst of the Turian fleet above Shanxi. For want of a nail, civilizations will rise and fall. (REWRITTEN: Chapter 1-5)
Crossover - Stargate: SG-1 & Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 6 - Words: 23,683 - Reviews: 262 - Favs: 908 - Follows: 1,425 - Updated: 3/25/2017 - Published: 4/10/2016
Project Blue Book by AmeliusTheAlteran reviews
Involved Presidents, an inquisitive assistant, and professional soldiers. A pragmatic look on how the United States would use the stargate and explore uncharted planets.
Stargate: SG-1 - Rated: T - English - Adventure - Chapters: 24 - Words: 89,124 - Reviews: 398 - Favs: 741 - Follows: 912 - Updated: 3/25/2017 - Published: 11/30/2014
Bridge Opening by CrossesWithHonor reviews
The conclusion of the series started with "Bridge Building", where the Alignment is forced out of hiding at last.
Honor Harrington - Rated: T - English - Sci-Fi - Chapters: 8 - Words: 17,721 - Reviews: 19 - Favs: 39 - Follows: 58 - Updated: 3/22/2017 - Published: 6/23/2015
Stargate: The Ascension of the Fifth Race by Jayan phoenix reviews
Earth faces its biggest challenge, they will either fall to the Lucian Alliance and Betrayal or they will rise as the fifth Race. Atlantis must return to the Pegasus Galaxy and the Destiny Expedition are stranded in stasis, and the IOA are not helping the situation.
Crossover - Stargate: Atlantis & Stargate: SG-1 - Rated: T - English - Chapters: 41 - Words: 205,718 - Reviews: 191 - Favs: 297 - Follows: 390 - Updated: 3/12/2017 - Published: 1/3/2015
The 13th Tribe - OLD by The Lone Dark Jedi reviews
Earth is lost, a population of 7 Billion is now 3 Million. None of our Allies have room for us. And our people are dying in the acid rain of Earth. However a light is visible in the Darkness. A place where the Tau'ri can rebuild. The Tribes of Kobol offer a refuge for the bloodied children of Earth.
Crossover - Stargate: SG-1 & Battlestar Galactica: 2003 - Rated: T - English - Chapters: 7 - Words: 34,145 - Reviews: 79 - Favs: 160 - Follows: 233 - Updated: 2/14/2017 - Published: 12/29/2014 - S. Carter, R. Woolsey, R. McKay, W. Adama
Gate Wars by Dave19941000 reviews
Trapped in a galaxy far, far away from his home, Luke Skywalker found himself drawn into a new war between the forces of light and darkness.
Crossover - Star Wars & Stargate: SG-1 - Rated: T - English - Sci-Fi - Chapters: 3 - Words: 9,793 - Reviews: 32 - Favs: 59 - Follows: 99 - Updated: 1/28/2017 - Published: 11/19/2015
Hammer of the Gods by Jus Sum Dude reviews
When a powerful Taur'i weapon falls into the hands of the 12 Colonies, all eyes in the galaxy turn to the children of Kobol and their robotic adversaries. (I'll be honest... I'm really just here for the space battles. What can I say? I like it when things go boom.)
Crossover - Stargate: SG-1 & Battlestar Galactica: 2003 - Rated: T - English - Chapters: 4 - Words: 11,517 - Reviews: 50 - Favs: 85 - Follows: 150 - Updated: 1/16/2017 - Published: 11/29/2016
Stargate: The Second Great Alliance by Seraphin2011 reviews
With the Second Great Alliance finally being formed, the Guardians, the Terrans, the Asgard and the Nox are set out to bring everlasting peace and prosperity to the region of space they inhabit. A task not easy to accomplish when faced by so many, old and new, enemies constantly trying to destroy them with every means at their disposal.
Stargate: SG-1 - Rated: T - English - Sci-Fi/Adventure - Chapters: 42 - Words: 458,330 - Reviews: 662 - Favs: 567 - Follows: 525 - Updated: 1/5/2017 - Published: 9/14/2012 - J. O'Neill - Complete
Sansa Washed Ashore by swimmingfox reviews
Sansa is washed ashore on a strange land, where people wear furs, fight fiercely and speak in a strange tongue. WHERE IS SHE? Frickin' Kattegat, home of Ragnar Lothbrook, that's where. Expect much Westeros/Scandinavia confusion. Game of Thrones meets Vikings. May be a bit niche. Extremely Sansa & Vikings-heavy. SanSan fans - go watch Vikings and come back! I promise funtimes.
Crossover - Game of Thrones & Vikings - Rated: M - English - Adventure/Romance - Chapters: 43 - Words: 113,687 - Reviews: 192 - Favs: 233 - Follows: 226 - Updated: 12/17/2016 - Published: 5/28/2015 - Sansa S., Ragnar, Rollo, Athelstan
Halo-Mass Effect: Altered-Destiny (Being Rewritten) by Azores reviews
This story has been discontinued. A rewrite is being made, starting with Halo-Mass Effect: Salvation's Light. (Out Now) Thank you everyone for all the support you've shown! It really means a lot. -Azores
Crossover - Halo & Mass Effect - Rated: T - English - Sci-Fi - Chapters: 15 - Words: 100,046 - Reviews: 353 - Favs: 672 - Follows: 858 - Updated: 12/15/2016 - Published: 1/25/2015 - J. Cutter, P. Cole, U. Wrex, Aria T'Loak
Against the Odds by Agentweapon Proelium-Tempus reviews
The Insurrection killed millions, but Humanity recovered. The Human-Flood War killed billions, but Humanity prevailed. Humanity again stands alone in the face of both persistent and threatening rivals. They are outnumbered and outgunned and are against tenacious opposition, but then again, Humanity has always had the ability for surviving the impossible. Heavy AU
Crossover - Halo & Mass Effect - Rated: T - English - Suspense/Humor - Chapters: 5 - Words: 21,745 - Reviews: 92 - Favs: 465 - Follows: 636 - Updated: 11/28/2016 - Published: 8/20/2016 - Master Chief/John-117, OC, Shepard (F), Illusive Man
Halo: Interstellar War by Merodach the Original Sin reviews
The UEG has been exploring the Milky Way galaxy for centuries, expanding and developing in isolation. It is only when the UNSC finds a Stargate that humanity learns that they aren't alone amongst the stars. Many wondrous mysteries and dangerous secrets are revealed at the dawn of the first interstellar war in human history with an alien foe.
Crossover - Stargate: SG-1 & Halo - Rated: T - English - Adventure - Chapters: 1 - Words: 10,993 - Reviews: 22 - Favs: 121 - Follows: 152 - Published: 10/30/2016 - S. Carter, J. O'Neill, Master Chief/John-117, C. Halsey
The Odyssey Resurgance by fmfan1980 reviews
Just as it entered the hyperspace window over the Asgard planet of Orilla, the Odyssey was hit by a violent energy wave caused by the planet's destruction after the Asgard committed suicide. What if the violent wave pushed the Earth ship into another universe, and into another ongoing war for humanity's survival. *On hiatus due to writer's block*
Crossover - Stargate: SG-1 & Independence Day - Rated: K+ - English - Chapters: 8 - Words: 26,880 - Reviews: 146 - Favs: 312 - Follows: 424 - Updated: 10/15/2016 - Published: 8/7/2016 - S. Carter, D. Jackson, Teal'c, C. Mitchell
Halo: New Horizons by creamofwheat2311 reviews
In 2559, and the UNSC has discovered a large anomaly on the edge of the galactic rim. What it turns out to be has the potential to change history, but maybe not in the way the UNSC intended. Meanwhile, with the first Death Star destroyed, the Rebel Alliance is desperately trying to overthrow the Empire, but it will take the help of new allies to liberate the galaxy. Discontinued.
Crossover - Star Wars & Halo - Rated: T - English - Sci-Fi/Adventure - Chapters: 23 - Words: 155,262 - Reviews: 942 - Favs: 1,070 - Follows: 1,106 - Updated: 9/30/2016 - Published: 11/1/2012 - Luke S., G. Marek/Starkiller, T. Lasky - Complete
Red Cobra by Billybobjoe47s reviews
Last time the UNSC discovered a mysterious alien artifact, the Halos came within seconds of activating. Every problem the UNSC has had in the last 50 years has been because of aliens and their blasted artifacts. So when a newly-surveyed system holds a mysterious artifact, there is great cause for worry. Operation RED COBRA is intended to remedy that worry- by any means necessary.
Crossover - Halo & Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 15 - Words: 30,732 - Reviews: 200 - Favs: 589 - Follows: 831 - Updated: 9/29/2016 - Published: 1/6/2015 - Master Chief/John-117, T. Hood
The Halo Effect by Agentweapon Proelium-Tempus reviews
The UNSC dispatches a small task force to investigate an artefact with origins not of the Orion Arm. The Citadel Races, including the Systems Alliance, are in for an eye opener when two new players in galactic prowess are not only technologically superior but also not bound by the Element Zero and its constraints. Rated T for reasons. AU in both Halo and ME events.
Crossover - Halo & Mass Effect - Rated: T - English - Adventure/Humor - Chapters: 16 - Words: 50,729 - Reviews: 373 - Favs: 1,220 - Follows: 1,549 - Updated: 9/26/2016 - Published: 8/6/2015 - Master Chief/John-117, OC, Shepard (F)
SEEDs of Stargate by DragonKnightRyu reviews
-Set in Season Five of SG-1- When Colonel O'Neil led his team through the Stargate in a supposedly uninhabited world, the last thing he expected was to wind up in the storage of a Mercenary organization that was not only space capable, but holding far more cards than he thought possible. This, Ladies and Gentleman, is when Stargate Command met the Mercenary Guild Fenrir. (LoaM AU)
Crossover - Stargate: SG-1 & Gundam Seed - Rated: T - English - Sci-Fi/Adventure - Chapters: 3 - Words: 36,754 - Reviews: 45 - Favs: 150 - Follows: 149 - Updated: 9/11/2016 - Published: 5/23/2016 - D. Jackson, J. O'Neill, Kira Y., OC
The New Order of Tribes by Talphon44 reviews
A different look at what happened when the Galactica arrived at Earth. The Battlestar will set in motion a series of events that will rock the foundation of not just one civilization but multiple ones. This is my first attempt at fan-fiction, but I intend to follow through on what hopefully will be a very long story, one of many that will take place in this universe.
Crossover - Stargate: SG-1 & Battlestar Galactica: 2003 - Rated: T - English - Sci-Fi/Adventure - Chapters: 7 - Words: 49,714 - Reviews: 285 - Favs: 440 - Follows: 649 - Updated: 9/5/2016 - Published: 12/14/2015
Battlestar Effect by 6747 reviews
what happens when you mix a slightly in the future Earth, Cylon's and Colonail's together in the Mass effect universe.
Crossover - Battlestar Galactica: 2003 & Mass Effect - Rated: T - English - Chapters: 2 - Words: 6,329 - Reviews: 19 - Favs: 71 - Follows: 104 - Updated: 8/26/2016 - Published: 7/3/2016
Brother's Betrayal by Dave19941000 reviews
A small stretch of the truth by an enemy long thought gone leads to a clash of worlds. With Earth unwilling to let an attempted invasion slide and the Colonials having lost too much blood to back down, it seems worlds burning is inevitable. Just as planned.
Crossover - Stargate: SG-1 & Battlestar Galactica: 2003 - Rated: T - English - Sci-Fi - Chapters: 50 - Words: 233,825 - Reviews: 409 - Favs: 322 - Follows: 415 - Updated: 8/23/2016 - Published: 8/18/2014 - Complete
Trust and Distrust by fulcrum101 reviews
The Battlestar Galactica and her fleet meet the Excalibur class battleship, Graff Spee and her commander, Admiral Necheyav. How will the fleet react to the advanced 13 tribe? How will Nechayev react to this rag-tag fleet and its Cylon enemies?
Crossover - StarTrek: The Next Generation & Battlestar Galactica: 2003 - Rated: T - English - Chapters: 10 - Words: 13,765 - Reviews: 27 - Favs: 45 - Follows: 52 - Updated: 7/31/2016 - Published: 7/11/2016
Universal Journey by Jochern reviews
A new version of "Destiny trapped". The USS Aleppo and five Ha'tak under Bra'tac was flung into an alternative universe when pulled into a wormhole. They found themselves in the middle of a major conflict and Lt. Colonel Adriana Callahan, Doctor Rodney McKay and Richard Woolsey had to try getting her crew home in one piece. (AU)
Crossover - Stargate: SG-1 & Halo - Rated: T - English - Hurt/Comfort/Suspense - Chapters: 21 - Words: 67,918 - Reviews: 50 - Favs: 44 - Follows: 60 - Updated: 7/30/2016 - Published: 3/23/2016 - Braítac, R. Woolsey, R. McKay
The Caprican Stargate Agency by maartenvervloet reviews
Caprica declared the Cylons to be citizens, the Cylon wars never happen, Zak Adama lives A Stargate is discovered near Delphi on the planet Caprica, leading the Capricans through the stars and eventually in conflict with the Goa'uld; they will encounter teams from Earth; there will be a Quantum mirror chapter with characters ending up on canon-Caprica after the nuclear attacks
Crossover - Stargate: SG-1 & Battlestar Galactica: 2003 - Rated: K - English - Sci-Fi/Adventure - Chapters: 5 - Words: 8,435 - Reviews: 23 - Favs: 52 - Follows: 75 - Updated: 6/23/2016 - Published: 5/27/2016 - Gen. Hammond, Zak A., M. Edmondson/Racetrack
The Return of King Arthur by SapereAude03 reviews
Change is coming to the SGC, but Jack wants one last mission with the team. Their easy mission is botched, and SG-1 finds themselves fulfilling a millennia old prophecy, defeating an age-defying tyrant, and discovering what they truly want in life. Team epic with Sam/Jack, set between Season 8 and 9.
Stargate: SG-1 - Rated: T - English - Adventure/Romance - Chapters: 21 - Words: 56,797 - Reviews: 164 - Favs: 49 - Follows: 129 - Updated: 6/18/2016 - Published: 1/1/2016 - [J. O'Neill, S. Carter] D. Jackson, Teal'c
My Enemy's Enemy is my What? by StarLiner42 reviews
Forty years after the Cylon war, the Twelve Colonies are once again thriving, when strange fleets of blue alien ships appear and begin wreaking havoc on the Colonies. Meanwhile, the Earth-Minbari war has dragged on for months with little hope of a human victory. These two civilizations are destined to intertwine, and change the course of the galaxy forever.
Crossover - Babylon 5 & Battlestar Galactica: 2003 - Rated: T - English - Chapters: 8 - Words: 66,596 - Reviews: 117 - Favs: 190 - Follows: 277 - Updated: 6/2/2016 - Published: 9/14/2015
Ashes of Aschen by Dave19941000 reviews
They came from nowhere. A thousand ships led by an enemy long believed destroyed, their fleet blocked the sun as the "Colonies" claimed Earth as the long lost tribe of their nation.
Crossover - Stargate: SG-1 & Battlestar Galactica: 2003 - Rated: T - English - Sci-Fi/Drama - Chapters: 1 - Words: 6,301 - Reviews: 19 - Favs: 99 - Follows: 154 - Published: 5/5/2016
Rare friends by doctor chocolate thunder reviews
The ORI have been defeated and Atlantis is in fast action on mars. Earth is aware of the stargate now and has begun to embrace its roll. Meanwhile in Pegasus New Lantea is also in full swing fighting the Wraith, But daniel and SG-1 have a new mission. A mission that could change the pegasus galaxy and the whole universe. both stargates bsg and The matrix will get time here
Crossover - Stargate: SG-1 & Battlestar Galactica: 2003 - Rated: K+ - English - Sci-Fi/Suspense - Chapters: 12 - Words: 89,292 - Reviews: 87 - Favs: 169 - Follows: 182 - Updated: 4/21/2016 - Published: 2/28/2013 - D. Jackson - Complete
The Bane of the Reapers by ODST1 reviews
The Reapers are here. Sol is under seige, the Alliance's fleets are in tatters and wreckage litters the skies, as ground units are trapped with little-to-no hope of fight or flight. Within hours, they're in total retreat, hoping against hope for a super-weapon of some kind. However, what's left of the 4th Fleet discovers something new, that might just turn the tide of the war.
Crossover - Mass Effect & Bolo series - Rated: K - English - Sci-Fi/Drama - Chapters: 12 - Words: 87,068 - Reviews: 69 - Favs: 113 - Follows: 134 - Updated: 4/20/2016 - Published: 5/20/2015
2012 by GMBlackjack reviews
In a crossover of vast proportions, the year 2012 brings many worlds together. It will be the most amazing crossover of all time, taking from many science-fiction and mysterious supernatural shows, books, and other worlds. With other stuff thrown in just for fun.
Crossover - Battlestar Galactica: 2003 & Star Wars - Rated: T - English - Adventure/Sci-Fi - Chapters: 35 - Words: 287,837 - Reviews: 25 - Favs: 35 - Follows: 35 - Updated: 4/7/2016 - Published: 5/5/2015 - Complete
Worldwar: Missionaries Down to Earth by AlbertG reviews
The Race has been freed from from the grip of Colonial conquest in less than two weeks. The writing is on the wall and now The people of Kobol must make nice with monotheistic Earth. How can they do that? Well, send missionaries! Book III-Colonials to the 13th colony, er Earth!
Crossover - Stargate: SG-1 & Battlestar Galactica: 2003 - Rated: K+ - English - Sci-Fi/Adventure - Chapters: 15 - Words: 93,138 - Reviews: 401 - Favs: 432 - Follows: 421 - Updated: 2/29/2016 - Published: 12/8/2014 - Complete
From Pegasus To Milky Way, A Flames Still Burns by demon unicron reviews
Fallen into a universe not of their own, the last of the High Guard fleet finds themselves stranded into two galaxies with seemingly no way to return to their home. Still, so long as the fleet lives so does the spirit of the Commonwealth endures against chaos and darkness. A Andromeda/Stargate Series Crossover.
Crossover - Stargate: SG-1 & Andromeda - Rated: T - English - Adventure - Chapters: 1 - Words: 1,659 - Reviews: 11 - Favs: 26 - Follows: 42 - Published: 2/1/2016
Glory and Gore by akat24 reviews
It was foolish to curse the gods - or to pique their interest. Yet the girl before Rollo seemed not know how to do anything else.
Crossover - Buffy: The Vampire Slayer & Vikings - Rated: K+ - English - Chapters: 4 - Words: 15,624 - Reviews: 46 - Favs: 73 - Follows: 105 - Updated: 1/30/2016 - Published: 1/28/2015
Unflinching Resolve by EternalCanadian reviews
The Human/Covenant was a long one, billions died on both sides yet Humanity always stood tall, fought back and kept going even when it seemed impossible. For the UNSC battlegroup Lima they will need to do this once again when they are thrown into another universe entirely and for one SPARTAN super soldier she'll need to overcome her hate and learn to trust those she despises.
Crossover - Halo & Mass Effect - Rated: T - English - Adventure/Sci-Fi - Chapters: 4 - Words: 17,224 - Reviews: 26 - Favs: 84 - Follows: 133 - Updated: 1/4/2016 - Published: 9/4/2015 - Kurt-051, OC, Admiral Hackett, OC
Finding Earth by Sable Cold reviews
The Tau'ri have a part to play in things to come.
Crossover - Stargate: SG-1 & Battlestar Galactica: 2003 - Rated: T - English - Chapters: 19 - Words: 77,486 - Reviews: 349 - Favs: 708 - Follows: 848 - Updated: 12/31/2015 - Published: 8/8/2010 - Complete
A Refuge in a Sea of Sorrow by StarLiner42 reviews
Over a year after the Fall of the Colonies, the remnants of humanity stumble across a habitable planet, a paradise hidden deep within a nebula. They quickly find a world inhabited by natives with abilities they've never seen, and the land itself brimming with magic and hidden secrets. Their arrival will set a series of events in motion that will decide the fate of both worlds.
Crossover - Battlestar Galactica: 2003 & Avatar: Last Airbender - Rated: T - English - Sci-Fi/Fantasy - Chapters: 1 - Words: 9,618 - Reviews: 4 - Favs: 11 - Follows: 20 - Published: 12/19/2015
Stargate: The fall of the colonies by AmigoButze reviews
AU STORY: It's been six months since General O'Neill died. For Sam Carter and Daniel Jackson, it feels like something important is lost forever. When the Stargate malfunctions during a routine mission, they find themselves in the midst of an escalating conflict they do not understand. Will they be able to survive and even find what they have lost?
Stargate: SG-1 - Rated: K - English - Drama/Adventure - Chapters: 15 - Words: 90,950 - Reviews: 75 - Favs: 27 - Follows: 54 - Updated: 12/12/2015 - Published: 8/25/2015 - S. Carter, D. Jackson, J. O'Neill - Complete
Stargate: Triangulum by Dave19941000 reviews
With the discovery of a new trans-galactic gate coordinate, Star Gate Command forms a new expedition to the Triangulum Galaxy. But where the Ancients went trouble always followed, and the Triangulum Expedition finds themselves facing one unlike any the Milky Way or Pegasus galaxy had to offer.
Stargate: SG-1 - Rated: T - English - Sci-Fi - Chapters: 6 - Words: 18,175 - Reviews: 31 - Favs: 75 - Follows: 107 - Updated: 12/10/2015 - Published: 11/30/2014 - OC
GARRIS' PEGASUS Book 01: Survival from Anhilation by Expatkiwi reviews
Alternative Universe Story involving the Battlestar PEAGASUS Classic Series Crew in the 2003 version of BSG: The PEGASUS - Under the command of Commander Garris Cain - survives the Cylon attack and is trying to join up with the GALACTICA.
Battlestar Galactica: 2003 - Rated: K - English - Adventure - Chapters: 11 - Words: 27,767 - Reviews: 18 - Favs: 64 - Follows: 28 - Updated: 12/2/2015 - Published: 11/2/2006 - Complete
The First Movement of the Odyssey by Crazy-88 reviews
"You are the Fifth Race. Your role is clear. If there is any hope in preserving the future, it lies with you and your people" Because all it takes is one ship. Perhaps in the wrong place... But unquestionably, at the right time.
Crossover - Stargate: SG-1 & Halo - Rated: T - English - Sci-Fi/Adventure - Chapters: 8 - Words: 206,461 - Reviews: 283 - Favs: 846 - Follows: 940 - Updated: 12/1/2015 - Published: 7/15/2013
Stargate Olympus by NorJC reviews
A few years after the disclosure of the Stargate program to the people of Earth, a powerful new Earth cruiser transports SG-1 to assist the planet Galar when a massive alien spacecraft suddenly appears out of nowhere near the Galaran homeworld. This story also has a few tidbits from the Bourne movie series.
Crossover - Stargate: SG-1 & Battlestar Galactica: 2003 - Rated: K+ - English - Sci-Fi/Adventure - Chapters: 5 - Words: 13,054 - Reviews: 125 - Favs: 222 - Follows: 337 - Updated: 10/22/2015 - Published: 7/30/2015 - D. Jackson, J. Hailey, S. Valerii/Boomer, H. Cain
Honor Among Thieves by Bracketyjack reviews
An Honorverse AU. I know the story-arc of the Honorverse is one of its great glories, but haven't you ever, reading the latest best-selling doorstop, wanted radically to short-circuit the whole thing, and see those morally defective, small-souled Manticoran aristocrats taken down hard? And all Detweilers whatever fed to a passel of treecats, with BBQ sauce? I know I have ...
Honor Harrington - Rated: T - English - Drama/Sci-Fi - Chapters: 8 - Words: 232,032 - Reviews: 122 - Favs: 281 - Follows: 126 - Updated: 10/9/2015 - Published: 9/11/2015 - Complete
The Phoenix Ascending by Ithileon reviews
While SG-1 investigates Smallville, Eve befriends an amnesiac Kara. Krypton and Celestis collide in a war of ideals, Lana must come to terms with being related to an alien and Chloe discovers Stargate Command. Turns out Earth isn't as alone as they thought . . .
Crossover - Stargate: SG-1 & Smallville - Rated: T - English - Friendship/Sci-Fi - Chapters: 4 - Words: 34,861 - Reviews: 6 - Favs: 18 - Follows: 25 - Updated: 10/8/2015 - Published: 7/10/2014 - Kara/Supergirl
The Thirteenth Colony Series by sg07 reviews
Battlestar Galactica and Stargate SG1 Crossover - The Colonial Fleet has traveled in space for 25 yahren, continuing their search for the lost 13th Tribe. Vipers investigate a strange gravimetric distortion wave. Read more to find out!
TV X-overs - Rated: K+ - English - Sci-Fi/Adventure - Chapters: 15 - Words: 177,389 - Reviews: 215 - Favs: 248 - Follows: 211 - Updated: 10/4/2015 - Published: 2/13/2003
StargateAlliances by The Dark Taff reviews
The Hammond disappears on an exploration mission and ends up in a galaxy far far away. Sorry if bits sound similar to the start of the BSG/Gate crossover but thats me! I own nothing except for the idea behind this story.
Crossover - Star Wars & Stargate: SG-1 - Rated: K - English - Sci-Fi/Adventure - Chapters: 6 - Words: 7,189 - Reviews: 66 - Favs: 136 - Follows: 231 - Updated: 9/23/2015 - Published: 8/9/2012
Take Three by Tekomandor reviews
Commander Shepard has been all over the galaxy, but she's never been back in time before. She's stranded in a time that makes no sense, and on an Earth that's facing a dire threat of it's own. Set in Season Five of SG1. Paragade, Vanguard Shepard.
Crossover - Stargate: SG-1 & Mass Effect - Rated: T - English - Adventure/Sci-Fi - Chapters: 2 - Words: 5,481 - Reviews: 15 - Favs: 77 - Follows: 151 - Updated: 8/29/2015 - Published: 8/24/2015
Whispers of the Fallen by ReaperScion reviews
The Capua SS-1, an Alliance vessel on a covert mission, is recalled to fight the Reapers for the final time. As they march to their deaths, an unknown factor violently forces them into a completely different situation. For the crew of the Galactica, the disappearance of Kara Thrace strikes them as a cruel joke as they try to deal with the consequences. Even dead gods can dream...
Crossover - Battlestar Galactica: 2003 & Mass Effect - Rated: T - English - Sci-Fi/Mystery - Chapters: 10 - Words: 34,280 - Reviews: 52 - Favs: 91 - Follows: 149 - Updated: 7/15/2015 - Published: 2/27/2014
Destiny Trapped by Jochern reviews
This story has started over with "Universal Journey" with better writing and hopefully with a better storyline.
Crossover - Stargate: SG-1 & Halo - Rated: K+ - English - Tragedy/Sci-Fi - Chapters: 10 - Words: 12,812 - Reviews: 43 - Favs: 85 - Follows: 124 - Updated: 7/12/2015 - Published: 2/1/2015 - Braítac, J. O'Neill, R. McKay, J. Keyes - Complete
An Angel With No Fate by Vampiric Ant reviews
The Cycle continues. War threatens the world. Machines rise against Man. Judgment Day draws near. And Kara Thrace's destiny is far from over. BSG/TSCC crossover. Post Daybreak. Lots of spoilers. John/Cameron. DISCONTINUED as of 12/22/18. (Sorry).
Crossover - Battlestar Galactica: 2003 & Terminator: Sarah Connor Chronicles - Rated: T - English - Sci-Fi - Chapters: 74 - Words: 603,980 - Reviews: 944 - Favs: 140 - Follows: 201 - Updated: 6/30/2015 - Published: 3/31/2009 - K. Thrace/Starbuck, Sarah C., John C., Cameron
Bridge Maintenance by CrossesWithHonor reviews
Sequel to 'Bridge Building', set a little over one year later. Some forces on Earth want out of the League. Admiral Thenuwara watches over the creation of what's intended to be the first of the SLN's modern wall of battle. Rivendell has some new toys from their friends on Manticore and is building more. None of this makes the Mesan Alignment very happy.
Honor Harrington - Rated: K+ - English - Sci-Fi - Chapters: 10 - Words: 25,503 - Reviews: 7 - Favs: 35 - Follows: 28 - Updated: 6/24/2015 - Published: 5/3/2014 - Complete
Stargate: The Origin of Vampires by USANAguy reviews
Where did The Twilight-Vampires originally come from in the Twilight universe that Stephine Meyer created. Here's where I think they could have originated if they came from the Stargate universe.
Crossover - Stargate: SG-1 & Twilight - Rated: T - English - Sci-Fi - Chapters: 15 - Words: 77,600 - Reviews: 11 - Favs: 19 - Follows: 21 - Updated: 5/10/2015 - Published: 1/18/2013 - Ra, Hathor, Amun, Kebi - Complete
stress points by stsmth22 reviews
The people of Earth know about the Stargate. However, the knowledge of its existence doesn't thrill everyone. In deep space a fleet composed of survivors of twelve planets decimated in nuclear fire, huddle inside overcrowded ships. Protected by the Last Battlestar. Galactica. After months of quiet the Cylons have found the Fleet. The possibility of annhilation has returned.
Crossover - Stargate: SG-1 & Battlestar Galactica: 2003 - Rated: T - English - Adventure/Sci-Fi - Chapters: 6 - Words: 10,535 - Reviews: 86 - Favs: 114 - Follows: 200 - Updated: 3/28/2015 - Published: 3/5/2015
Public Knowledge: Trust by Catalyst23 reviews
I have always wanted to see the Stargate program go public. This story begins just after the movie and ends just before the revelation. There are three major plotlines: the formation of the SGC, the difficulties faced by the people of Abydos, and Apophis. AU with mostly CC. A bit darker than the series, but not by much. Rated "T" for violence and some swearing.
Stargate: SG-1 - Rated: T - English - Drama/Sci-Fi - Chapters: 41 - Words: 109,982 - Reviews: 114 - Favs: 73 - Follows: 96 - Updated: 3/25/2015 - Published: 6/19/2013 - S. Carter, D. Jackson, J. O'Neill, Teal'c
Stargate After Anubis by Yutani Wakazashi reviews
Anubis' attack on Earth forced the Stargate program to be revealed. Story starts two years later, in the final days of the System Lords. Rather AU, includes CC, OC, old and new enemies, old and new friends. Rated T for violence, some language. This is my first published story, so feedback is welcome. I am here to learn as well as to have fun. WIP
Stargate: SG-1 - Rated: T - English - Sci-Fi/Adventure - Chapters: 11 - Words: 18,659 - Reviews: 16 - Favs: 32 - Follows: 41 - Updated: 3/21/2015 - Published: 11/29/2014
A Brutal Truth by BIG Z1776 reviews
What are the chances of a technical screw-up bringing Earth and the Colonies together? Not very high, at least that's what Lt. Kelsey Adama thought. Yet, here she is, on the brink of history where two supposedly long lost tribes of man are reunited. But when both sides have not seen one another for thousands of years and one has no intention of playing by the rules things get messy
Crossover - Stargate: SG-1 & Battlestar Galactica: 2003 - Rated: T - English - Adventure/Sci-Fi - Chapters: 35 - Words: 211,291 - Reviews: 1040 - Favs: 744 - Follows: 745 - Updated: 2/17/2015 - Published: 4/30/2013 - Complete
A New Journey by PanchoPistolas reviews
Daniel Jackson discovers that the Alterans didn't just seed life in Pegasus after leaving the Milky Way Galaxy, but re-created a whole new Earth in the Andromeda Galaxy. Eventual massive cross over SG1, Star Trek and Battlestar Galactica, first attempt at writing...
Crossover - Stargate: SG-1 & StarTrek: Other - Rated: T - English - Adventure - Chapters: 4 - Words: 19,135 - Reviews: 48 - Favs: 135 - Follows: 167 - Updated: 1/26/2015 - Published: 10/18/2014
The Long War by United Systems Navy reviews
After the destruction of the Twelve Colonies the last surviving colonial ships band together in a small fleet. Rather than chase after the Galactica to find Earth they choose to stay behind and fight on against the cylons in a long, brutal war across the cold corpses of civilization.
Battlestar Galactica: 2003 - Rated: T - English - Sci-Fi/Tragedy - Chapters: 37 - Words: 177,200 - Reviews: 157 - Favs: 133 - Follows: 154 - Updated: 1/25/2015 - Published: 8/13/2012
The Return of Billie by ChrissyAllora reviews
After years had past since the last time she has seen the Charmed Ones, Billie now resides in Pasadena, California. Here she created a new life for herself in hopes that her past won't meet up with her. But everything changes when the Charmed Ones show up at her door step.
Crossover - Charmed & Big Bang Theory - Rated: T - English - Drama/Suspense - Chapters: 4 - Words: 2,291 - Reviews: 12 - Favs: 20 - Follows: 30 - Updated: 12/3/2014 - Published: 7/27/2014 - Billie J., Penny
Another Perspective Version Two by AlbertG reviews
Expanded version of 'Another ptain Jankowski of the EAS Prometheus was fated to start a war with the Minbari.He shouldn't have been there but he this reality something changed. Now Earth will never be the same again.
Crossover - Babylon 5 & Farscape - Rated: T - English - Sci-Fi/Adventure - Chapters: 15 - Words: 74,952 - Reviews: 155 - Favs: 189 - Follows: 197 - Updated: 11/27/2014 - Published: 5/29/2011
A Change of Fate by DX1998 reviews
While fleeing from the Ori after the death of their alllies, the Odyssey is near destruction. In a desperate bid for surviaval, a future version of Samantha Carter develops a plan to use the power of the Ori beam to save the ship. But it goes horribly wrong...now the cruiser is in a new reality, and a new war. Can they help their cousins in the UNSC? Or will the Covenant prevail?
Crossover - Stargate: SG-1 & Halo - Rated: T - English - Adventure - Chapters: 29 - Words: 104,009 - Reviews: 761 - Favs: 965 - Follows: 968 - Updated: 10/7/2014 - Published: 1/17/2013 - S. Carter, Master Chief/John-117 - Complete
The Lost Tribe by wilkins75 reviews
during the victory tour celebrating five years since the end of thee Reaper war, the Normandy travels to the Cronian Nebula to let Javik put the ghost of his dead team to rest only to discover something that will rewrite history of not just humanity but the galaxy as a whole. Male solider Sheppard/Ash
Crossover - Battlestar Galactica: 2003 & Mass Effect - Rated: M - English - Sci-Fi/Adventure - Chapters: 59 - Words: 206,051 - Reviews: 794 - Favs: 479 - Follows: 460 - Updated: 7/12/2014 - Published: 7/20/2012 - Shepard (M) - Complete
Stargate: Thirdspace by Spearhead reviews
When a Taskforce of the Tau'ri Federation Navy is attacked on a mission of exploration, a strange occurrence catapults this force into a new universe. The events that sent them to this universe, also brings war to the Tau'ri Federation. A war of annihilation and extinction.
Crossover - Babylon 5 & Stargate: SG-1 - Rated: T - English - Sci-Fi/Adventure - Chapters: 10 - Words: 20,335 - Reviews: 168 - Favs: 249 - Follows: 309 - Updated: 3/14/2014 - Published: 8/27/2012
The Spiral Galaxy Saga's by The-Chilly-Academic reviews
Set at the moment Kara Thrace jumps the Galactica... They arrive in a new part of space, and discover the true location of their lost brothers and sisters... The 13th tribe. Having beaten the Reapers, the known galaxy is still repairing the damage. On a low risk mission, the Alliance encounter the battle scarred Galactica... and so, our story begins... Co-Writer: VailedPayload71
Crossover - Battlestar Galactica: 2003 & Mass Effect - Rated: M - English - Sci-Fi/Adventure - Chapters: 6 - Words: 10,281 - Reviews: 37 - Favs: 106 - Follows: 158 - Updated: 2/28/2014 - Published: 2/14/2014 - W. Adama, L. Roslin, Shepard (F), Liara T'Soni
The Effect of Diaspora by ReaderMike reviews
In 2157 PD, A Turian patrol attacked a newly discovered race for attempting to activate a prime relay. Unfortunately, the race in question had been in space nearly as long as the Asari have. Unlike the Asari, this wasn't a race of diplomats. This race had a fleet far more vast than the combined citadel races, and the Turians managed to piss them off. Eventual Slash.
Crossover - Mass Effect & Honor Harrington - Rated: M - English - Sci-Fi - Chapters: 14 - Words: 48,579 - Reviews: 427 - Favs: 926 - Follows: 1,086 - Updated: 1/30/2014 - Published: 8/21/2012 - Shepard (M)
Battlestar Farscape Version 2 by Mackon reviews
The worn down world of new Battlestar gets a hero just as real to life but who still has some energy in him. Fleshed out in places and given a vigorous polish!
Crossover - Battlestar Galactica: 2003 & Farscape - Rated: T - English - Adventure/Sci-Fi - Chapters: 9 - Words: 43,431 - Reviews: 88 - Favs: 135 - Follows: 184 - Updated: 1/24/2014 - Published: 9/26/2008 - Aeryn S., Chiana, D'Argo, J. Crichton
Dust of the Stars by bryan0711 reviews
The Colonies believed themselves alone in the galaxy. The Cylons were their only enemy. After a confrontation between the Valkyrie BSG and Ha'tak motherships the Colonies are thrown onto the galactic scene, unprepared, for an inevitable confrontation...
Crossover - Stargate: SG-1 & Battlestar Galactica: 2003 - Rated: T - English - Chapters: 24 - Words: 323,498 - Reviews: 345 - Favs: 407 - Follows: 460 - Updated: 9/12/2013 - Published: 4/5/2010 - J. O'Neill, W. Adama
final flight by The Dark Taff reviews
What happens when the fleet loose Starbuck? Then discover they haven't! Set after SG:U ep 1 and BSG S3 Maelstrom. WIP. Am currently doing rolling rewrites of chunks of this in the hope I manage to break my writers block.
Crossover - Stargate: SG-1 & Battlestar Galactica: 2003 - Rated: K - English - Sci-Fi/Drama - Chapters: 10 - Words: 19,356 - Reviews: 98 - Favs: 114 - Follows: 200 - Updated: 6/17/2013 - Published: 6/30/2011 - S. Carter, K. Thrace/Starbuck
Embers of War by ChaoslordZX reviews
As the Cylon war ends bringing peace to the twelve colonies the Covenant war begins, blanketing the UNSC and her colonies in brutal warfare. While two ships from both sides are on a simple patrol they cross paths. This event draws both ships into a world of political secrets and intrigue as well as a horrifying war against a ruthless enemy. Early Halo/Blood and Chrome era x-over
Crossover - Halo & Battlestar Galactica: 2003 - Rated: M - English - Adventure/Sci-Fi - Chapters: 7 - Words: 46,576 - Reviews: 82 - Favs: 82 - Follows: 99 - Updated: 3/10/2013 - Published: 11/14/2012
Defiant by Turrasta reviews
Halo AU/X-over. Humanity's first contact with extra-terrestrial intelligence goes poorly for all around...
Crossover - Halo & Battlestar Galactica: 2003 - Rated: M - English - Sci-Fi/Adventure - Chapters: 23 - Words: 88,617 - Reviews: 259 - Favs: 386 - Follows: 373 - Updated: 3/5/2013 - Published: 11/2/2010
Halo Colonial Horizon by SpaceCowboy2013 reviews
A UNSC Cruiser escaping a deadly battle with the Covenant Onslaught and performing the Cole Protocol jumps into the middle of the Cyrannus Sector. But will the Covenant onslaught destroy the Colonials and the UNSC before they destroy each other? (CANCELLED, FOCUSING ON HALO THE IMPERIAL WAR)
Crossover - Halo & Battlestar Galactica: 2003 - Rated: T - English - Sci-Fi - Chapters: 13 - Words: 93,820 - Reviews: 450 - Favs: 463 - Follows: 456 - Updated: 2/21/2013 - Published: 6/24/2011 - Kurt-051, W. Adama
Apollyon by morninsunshines reviews
Ever wonder how Commander Taylor was selected for his rank? OC for this story. I decided to add additional chapters as Taylor/Washington work towards Terra Nova and beyond.
Terra Nova - Rated: M - English - Friendship/Romance - Chapters: 53 - Words: 391,466 - Reviews: 110 - Favs: 23 - Follows: 19 - Updated: 12/14/2012 - Published: 5/30/2012 - Commander N. Taylor, A. Washington - Complete
Reunion by robertp6165 reviews
What if the Colonial Fleet from the 2003 version of BATTLESTAR GALACTICA had jumped into the Delphic expanse in the year 2153, where it encountered Captain Jonathan Archer and the U.S.S. Enterprise NX-01?
Crossover - StarTrek: Enterprise & Battlestar Galactica: 2003 - Rated: M - English - Sci-Fi/Adventure - Chapters: 13 - Words: 52,092 - Reviews: 122 - Favs: 182 - Follows: 246 - Updated: 8/31/2012 - Published: 3/26/2012 - J. Archer, W. Adama
New Moon Over Bajor by Qtelatino1 reviews
The moon traveled through a wormhole but it wasn't just any wormhole. It was the Bajoran wormhole of the Prophets. How will Starfleet react to the sudden appearance of Earth's moon in their universe and how will the Alphans get back to theirs...
Crossover - StarTrek: Deep Space Nine & Space 1999 - Rated: K+ - English - Drama - Chapters: 20 - Words: 127,493 - Reviews: 10 - Favs: 18 - Follows: 12 - Updated: 6/23/2012 - Published: 5/28/2010 - B. Sisko - Complete
SG Shifts by dreadis reviews
An exploration mission to a nearby galaxy, Admiral Samantha Carter leads her people toward new discoveries and species...at least, that was the original plan. but a spacial anomaly in their path decides that its been too long since Sam had a run of SG1's old luck.
Crossover - X-overs & Stargate: SG-1 - Rated: T - English - Chapters: 1 - Words: 2,850 - Reviews: 5 - Favs: 15 - Follows: 29 - Published: 6/18/2012 - S. Carter
Emergence by Brasc reviews
When a survey team for the Domination of the Draka discovers alien ruins on Mars, Earth - and the galaxy at large - will never be the same.
Crossover - Mass Effect & Draka series - Rated: T - English - Adventure/Sci-Fi - Chapters: 26 - Words: 89,415 - Reviews: 183 - Favs: 124 - Follows: 133 - Updated: 5/7/2012 - Published: 6/30/2010
Slip, Sliding Away by robertp6165 reviews
What will happen when Quinn Mallory, Maximilian Arturo, Rembrandt Brown, and Wade Welles slide into the Gate Room at Stargate Command in July 1998...and find themselves at the center of a secret interstellar war between Earth and the Goa'uld Empire?
Crossover - Stargate: SG-1 & Sliders - Rated: T - English - Sci-Fi/Adventure - Chapters: 12 - Words: 21,764 - Reviews: 37 - Favs: 56 - Follows: 81 - Updated: 4/19/2012 - Published: 6/13/2011
Noblest of the Noble by wilkins75 reviews
Noble Six along with a group of UNSC marines and civilians got on the last transport off Reach. They crash land on New Caprica. Knowing that they don't have the supplies to last they went into Cryosleep when the Cylons come.M for Violence and Language
Crossover - Halo & Battlestar Galactica: 2003 - Rated: M - English - Sci-Fi/Adventure - Chapters: 41 - Words: 115,699 - Reviews: 446 - Favs: 456 - Follows: 304 - Updated: 2/27/2012 - Published: 9/23/2011 - SPARTAN-B312/Noble Six, W. Adama - Complete
A New Era by ScottyG reviews
After a slipspace drive malfunctions and sends a fleet of human and alien warships into an unkown system, they must rebuild and deal with the ever looming threat of the Cylons and the Twelve Colonies of Kobol. M for safty
Crossover - Halo & Battlestar Galactica: 2003 - Rated: M - English - Chapters: 3 - Words: 6,677 - Reviews: 25 - Favs: 49 - Follows: 60 - Updated: 11/7/2011 - Published: 6/26/2011
Reaper's Origin by prometheus55 reviews
After the battle with the Collectors, the Normandy tries to return to the Terminus systems. Unfortunately things don't go as planned and now the remnants of the crew must find a way home. However intentions and outcomes are rarely similar for Shepard. -ON HIATUS.
Crossover - Stargate: SG-1 & Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 16 - Words: 128,713 - Reviews: 420 - Favs: 835 - Follows: 875 - Updated: 10/23/2011 - Published: 2/19/2010 - Shepard (F)
To Hell and Back Trilogy by Ron the True Fan reviews
The whole series as a whole posted as one, in order. Reposted: Ch. 23-24 were missing.
Crossover - Gundam Seed & Battlestar Galactica: 2003 - Rated: M - English - Chapters: 77 - Words: 114,726 - Reviews: 6 - Favs: 19 - Follows: 10 - Updated: 9/18/2011 - Published: 8/12/2011 - Complete
Rescue over New Caprica by vliegenvanger reviews
If two Battlestars can survive the attacks on the Colonies, might there be the possibility that more Battlestars survived? AU from Exodus Parts one and two onwards. rated T for now, it might change to M for possible later Chapters. Now on permanent hold
Crossover - West Wing & Battlestar Galactica: 2003 - Rated: T - English - Chapters: 5 - Words: 30,831 - Reviews: 70 - Favs: 80 - Follows: 94 - Updated: 5/25/2011 - Published: 12/13/2009
Star Trek: Divergence by keiranhalcyon2010 reviews
In the 22nd Century, after a year of exploration in deep space Enterprise is damaged, near adrift. Their distress call is answered by those who would bring about a new era for Earth and the Galaxy.
Crossover - Stargate: SG-1 & StarTrek: Enterprise - Rated: M - English - Sci-Fi/Adventure - Chapters: 7 - Words: 69,764 - Reviews: 224 - Favs: 757 - Follows: 806 - Updated: 12/29/2010 - Published: 10/18/2009 - S. Carter
The Shores of Xanadu A Rewrite by prometheus55 reviews
After the successful battle at Char, the Hyperion leaves orbit to continue the crusade against the Dominion. In a different but similar universe, the Hyperion arrives adrift and lifeless, altering the fate of the entire galaxy for centuries to come. -ON HIATUS.
Crossover - StarCraft & Halo - Rated: T - English - Sci-Fi/Adventure - Chapters: 9 - Words: 29,006 - Reviews: 61 - Favs: 182 - Follows: 150 - Published: 11/7/2010 - Master Chief/John-117
Fold Out of the Universe by Robo Reader 21 reviews
When the Enterprise goes to investigate an anomaly they meet a fleet of ships from a alternate universe.
Crossover - Robotech/Macross & Star Trek: 2009 - Rated: T - English - Sci-Fi/Adventure - Chapters: 1 - Words: 941 - Reviews: 19 - Favs: 46 - Follows: 63 - Published: 7/3/2010
Republic: Into The Fire by Knight Vigilant Koren reviews
2nd LLTR James Koren leads an expedition from Corellia to our galaxy and when he meets the Goa’uld the Republic prepares for battle. On Earth the Tau’ri begin their rise to power and alien life is disclosed. Daniel/Sha’re Atton/Janet Sam/Martouf
Crossover - Stargate: SG-1 & TV X-overs - Rated: T - English - Sci-Fi - Chapters: 32 - Words: 137,639 - Reviews: 360 - Favs: 103 - Follows: 99 - Updated: 4/20/2010 - Published: 2/11/2009 - Complete
Otherworld by Turrasta reviews
AU SG1/Atlantis/BSG-2003/Halo/B5 X-Over . In the year 2187, Earth has its first encounter with the Goa'uld, which sparks the beginning of a galaxy spanning war. Some violence, swearing, etc. Over 40 thousand hits!
Crossover - TV X-overs & Halo - Rated: T - English - Sci-Fi/Adventure - Chapters: 15 - Words: 92,371 - Reviews: 170 - Favs: 294 - Follows: 305 - Updated: 10/27/2009 - Published: 9/25/2008
New Order Rising by Revan419 reviews
Bastila, Revan, and other KoToR regulars end up at Stargate Command. The Covenant and UNSC forces are trapped in a tear between universes and end up in our space time. AU, contains strong sexual content.
Crossover - Stargate: SG-1 & Star Wars - Rated: M - English - Drama/Sci-Fi - Chapters: 6 - Words: 27,145 - Reviews: 31 - Favs: 32 - Follows: 48 - Updated: 10/5/2009 - Published: 7/4/2009
It will happen again by Elder1 reviews
The "human" resistance is dealing with a new form of cyborgs are they friends or foe? Warning this crossover Between BSG 2003 and TSCC, contains spoilers form both the series, do not read it if you still have to finish BSG 2003. Chapter 5 up
Crossover - Battlestar Galactica: 2003 & Terminator: Sarah Connor Chronicles - Rated: T - English - Sci-Fi - Chapters: 5 - Words: 10,986 - Reviews: 5 - Favs: 6 - Follows: 11 - Updated: 5/19/2009 - Published: 4/23/2009
The Finales Overture by FreeWrite reviews
They find an Earth but not the one they were looking for and not the way they were expecting it. Crossover with Stargate:SG1 and Stargate: Atlantis
Crossover - Stargate: SG-1 & Battlestar Galactica: 2003 - Rated: K+ - English - Sci-Fi/Friendship - Chapters: 8 - Words: 34,688 - Reviews: 67 - Favs: 143 - Follows: 87 - Updated: 3/23/2008 - Published: 3/7/2008 - L. Roslin - Complete